There is a substitute penalty
No highlighting for substitute
Added robotsPlaying to Rules and substitution from the beginning for too much players
SPL PickUp legal on every robot not yet pickuped
Substitution legal on every robot that is not yet substituted and no penalty is legal on an substitute robot
Substitute on a robot can only be removed when more robots are substituted than needed
Merge remote-tracking branch 'origin/master' into b-human_openChallange